<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="!userName"> 
            <span>请</span>
            <!-- 声明式导航： 务必要加to属性 -->
            <!-- <a href="###">登录</a> -->
            <router-link to="/login">登录</router-link>
            <!-- <a href="###" class="register">免费注册</a> -->
            <router-link class="register" to="/register">免费注册</router-link>
          </p>

          <p v-else>
              <span>{{userName}}</span>
              <!-- 131523706151    -->
              <a class="register" @click="logout">退出登录</a>
          </p>

        </div>
        <div class="typeList">
          <router-link to="/center/myorder">我的订单</router-link>
          <router-link to="/shopcart">购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="/home">
          <img src="./images/logo.png" alt="" />
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input
            type="text"
            id="autocomplete"
            class="input-error input-xxlarge"
            v-model="keyword"
          />
          <button
            class="sui-btn btn-xlarge btn-danger"
            type="button"
            @click="goSearch"
          >
            搜索
          </button>
        </form>
      </div>
    </div>
  </header> 
</template>
  
  <script>
export default {
  name: "",
  data() {
    return {
      keyword: "",
    };
  },
  methods: {
    //搜索按钮的回调函数：需要向search路由进行跳转
    goSearch() {
      if(this.$route.query) {
        let location = {name:'search',params:{keyword:this.keyword ||  undefined}}
        location.query = this.$route.query
        this.$router.push(location)
      }
    },
    logout(){
        //退出登录需要做的事情
        //1：需要发请求。通知服务器退出登录【清除一些数据：token】
        //2：清除项目中的数据【userInfo、token】
        try{
          //如果退出成功
          this.$store.dispatch('userLogout');
          //回到首页
          this.$router.push('/home')  
        }catch(error){}
     }
  },
  mounted(){
    //通过全局事件总线清除关键字
    this.$bus.$on("clear",()=>{
      this.keyword = " ";
    })
  },
  computed: {
    //用户名信息
    userName(){
      return this.$store.state.user.userInfo.name;
    }
  }
};
</script>
  
  <style scoped lang="less">
       .header{
        &>.top{
            background-color: #eaeaea;
            height: 30px;
            line-height: 30px;
            .container{
                width: 1200px;
                margin: 0 auto;
                overflow: hidden;
                .loginList{
                    float: left;
                    p{
                        float: left;
                        margin-right: 10px;
                        .register{
                            border-left: 1px solid #b3aeae;
                            padding: 0 5px;
                            margin-left: 5px;
                        }
                    }
                } 
                .typeList{
                    float: right;
                    a{
                        padding: 0 10px;
                        & + a{
                            border-left: 1px solid #b3aeae;
                        }
                    }
                    
                }
                
            }
        }
        &>.bottom{
            width: 1200px;
            margin: 0 auto;
            overflow: hidden;
            .logoArea{
                float: left;
                .logo{
                    img{
                        width: 175px;
                        margin: 25px 45px;
                    }
                }
            }
            .searchArea{
                float: right;
                margin-top: 35px;
                .searchForm{
                    overflow: hidden;
                    input{
                        box-sizing: border-box;
                        width: 490px;
                        height: 32px;
                        padding: 0px 4px;
                        border: 2px solid #ea4a36;
                        float: left;
                        &:focus{
                            outline: none;
                        }
                    }
                    button{
                        height: 32px;
                        width: 68px;
                        background-color: #ea4a36;
                        border: none;
                        color: #fff;
                        float: left;
                        cursor: pointer;
                        &:focus{
                            outline: none;
                        }
                    }
                }
            }
        }
    }
</style>
  